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说明：  变量选择方法的代码，本人经编写验证正确而的代码，欢迎使用(Variable selection method code, I verify the correct and by writing code, Welcome)

The AB9540 and AB8540 GPIO support are extended versions of the AB8500 GPIO support.

杂草识别，使用gui,代码图像都有，对于做识别杂草很有启发。(Weeds recognition, using GUI, code images have, for identifying weed is very enlightening.)

说明：  用于求解基于动力学模型的机械系统动力学的newmark b方法(Newmark b method for solving dynamics of mechanical systems based on dynamic models)

just a simple model of vector control using simulink, it still have some mistake, I m trying to fix it

基于DCT的数字水印基本代码框架，能够完整的嵌入水印信息、提取水印信息。可根据需要再此基础上修改算法。(DCT-based digital watermarking code framework, a complete embedded watermark information to extract the watermark information. According to the need for this based on the modified algorithm.)

C++,Fortran和Matlab分别实现的bp算法程序(The bp algorithm procedural C++, Fortran and Matlab achieve)

该程序是在flac下运行的，没找到flac，所以用matlab表示了，供岩土力学研究方向学习(The program is run under flac, did not find flac, so use matlab shows for rock mechanics research study)

简单易用的matlab FFT程序，零频在中间，另外还经常用的matlab绘图代码列了出来(Simple and easy-to-use program matlab FFT, zero frequency in the middle, is also often used matlab drawing code out)

珍藏多年的matlab潮流计算程序源代码集合，包含多个潮流计算程序(A collection of matlab trend calculation program source code for many years, including multiple power flow calculation programs)